You can sponsor this page

Erpetoichthys calabaricus  Smith, 1865

Reedfish
Adicionar as suas observações no Fish Watcher
Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Erpetoichthys calabaricus   AquaMaps   Data sources: GBIF OBIS
Adicionar o seu Fotografias e vídeos
Pictures | Imagem do Google
Image of Erpetoichthys calabaricus (Reedfish)
Erpetoichthys calabaricus
Picture by JJPhoto

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (peixes com raios nas barbatanas) > Polypteriformes (Bichirs) > Polypteridae (Bichirs)
Etymology: Erpetoichthys: Greek, erpeton = creeping thing + Greek, ichthys = fish (Ref. 45335);  calabaricus: Named after the locality where the fish was taken: Old Calabar (Ref. 42916).

Ambiente / Clima / Intervalo Ecologia

; Água doce; estuarina demersal; pH range: 6.0 - 8.0; dH range: 5 - 19; intervalo de profundidade 0 - ? m (Ref. 557).   Tropical; 22°C - 28°C (Ref. 1672)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Africa: coastal species, inhabiting river estuaries from Ouémé River in Benin to Sanaga River in Cameroon (Ref. 53784, 81628). Also reported from the Chiloango River (Ref. 1878, 2835, 3188, 42870, 43033, 81263), but this record needs confirmation and needs to be supported by additional material evidence (Ref. 53784, 81628).

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm 31.4  range ? - ? cm
Max length : 37.0 cm SL macho/indeterminado; (Ref. 81628)

Descrição breve Morfologia | Morfometria

Espinhos dorsais (total): 7 - 13; Raios dorsais moles (total): 0; Espinhos anais 0; Raios anais moles: 9 - 14; Vértebras: 110 - 113. Diagnosis: The dorsal fin is composed of a series of well-separated spines each supporting one or several articulated rays and a membrane (Ref. 42791). Erpetoichthys calabaricus is distinguished from all Polypterus species by its very elongated, anguilliform body and the absence of ventral fin and subopercle (Ref. 2835, 42768, 81263).

Biologia     Glossário (ex. epibenthic)

Found in slow flowing rivers and standing waters (Ref. 557). Apparently restricted to reedy habitats (Ref. 42768). It moves snake-wise over the bottom, but it can also side-wind quite rapidly through the water (Ref. 42873). Feeds at night on worms, crustaceans and insects (Ref. 7020). Able to breathe air and thus can tolerate low oxygen concentrations. Larvae have external gills and resemble salamander larvae (Ref. 557). The maximum size of 90 cm TL (Ref. 3188) is probably erroneous; the largest size in collections is 37 cm (Ref. 78138).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Parallel swimming courtship; female deposits few eggs between anal fins of male, where they are fertilized and then scattered in vegetation where they immediately stick to substrate. This procedure is repeated many times. Eggs are 2.1-2.6 mm in diameter. Larvae hatch after 70 hours but remain attached to vegetation; 22 days after hatching the yolk sac is absorbed and larvae start feeding.

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Britz, R., 2007. Polypteridae. p. 168-173. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81628)

Categoria na Lista Vermelha da IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

Pescarias: sem interesse; Aquário: Espécies comerciais
FAO(Publication : search) | FishSource |

Mais informação

Países
Áreas FAO
Ecossistemas
Ocorrências
Introduções
Stocks
Ecologia
Dieta
Itens alimentares
Consumo alimentar
Ração
Idade/Tamanho
Crescimento
Comprimento-peso
Comprimento-comprimento
Frequência de comprimento
Morfometria
Morfologia
Larvas
Dinâmica larvar
Recrutamento
Abundância
Referências
Aquacultura
Perfil para aquacultura
Estirpes
Genética
Frequência dos alelos
Hereditariedade
Doenças
Processamento
Mass conversion
Colaboradores
Fotografias
Stamps, Coins Misc.
Sons
Ciguatera
Velocidade
Tipo de natação
Área branquial
Outras referências
Cérebros
Visão

Ferramentas

Relatórios especiais

Descarregue XML

Fontes da internet

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00132 (0.00060 - 0.00289), b=2.99 (2.79 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.3   ±0.40 se; Based on food items.
Resiliência (Ref. 69278):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (tmax=20; Fec = 264).
Vulnerabilidade (Ref. 59153):  Moderate vulnerability (35 of 100) .